Improvements in and relating to non-return valves,申请号GB19480008208-传众专利搜索

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发明名称	Improvements in and relating to non-return valves
摘要
申请公布号	GB647800(A)	申请公布日期	1950.12.20
申请号	GB19480008208	申请日期	1948.03.19
申请人	MEREVALE ENGINEERING COMPANY LIMITED;LEONARD MEREDITH	发明人
分类号	F16K15/06	主分类号	F16K15/06
代理机构		代理人
主权项
地址

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